WO2014207896A1

WO2014207896A1 - Elevator car

Info

Publication number: WO2014207896A1
Application number: PCT/JP2013/067826
Authority: WO
Inventors: 達央上野; 秋吉　雅夫; 誠谷島; 圭悟山本
Original assignee: 三菱電機株式会社
Priority date: 2013-06-28
Filing date: 2013-06-28
Publication date: 2014-12-31

Abstract

The present invention provides an elevator car which is configured in such a manner that the gap between a lower hermetic material and a vertical frame which is located below the side portion of a sliding door, which faces the direction of opening of the sliding door, is closed to prevent the occurrence of wind noise caused by the difference in pressure between the inside and outside of the car compartment. An elevator car according to the present invention comprises: a car compartment; a sliding door (6) for opening and closing the doorway of the car compartment; a sill (8) disposed below the sliding door and guiding the lower portion of the sliding door; a lower hermetic material (10) disposed below the sliding door and closing a gap in the width direction of the sliding door, the gap being formed between the sliding door and the sill when the doorway is closed; a side hermetic material (11) disposed at the side portion of the sliding door, which faces the direction of opening of the sliding door, and closing a vertical gap when the doorway is closed, the vertical gap being formed between the sliding door and a vertical frame (4) which constitutes the doorway; and a lower-end corner hermetic material (12) disposed below the side portion of the sliding door, which faces the direction of opening of the sliding door, and closing the gap between the vertical frame and the lower hermetic material when the doorway is closed.

Description

Elevator car

This invention relates to an elevator car, and more particularly to an airtight structure of an entrance that is opened and closed by a lateral movement of a sliding door.

In the conventional elevator door device, the first flocking disposed on one of the opposing surfaces of the vertical frame and the sliding door when the doorway is closed to reduce the gap width between the opposing surfaces, and the vertical frame when the doorway is closed A first sealing material disposed on one of the facing surfaces of the sliding door so as to be located outside the entrance and exiting the flocking, and having a length corresponding to the width of the entrance and exit, A shielding plate disposed at the lower end of the sliding door and fitted with a gap formed in the guide groove of the sill, and disposed on one side of the shielding plate and one side surface of the guide groove opposite to the one surface. A second flocking for reducing the gap width between the two surfaces, and a second flocking member disposed on one of the other surface of the shielding plate and the other surface of the side wall of the guide groove facing the other surface to close the gap between the two surfaces. And a noise prevention function in the gap at the side edge and lower edge of the entrance / exit. Which was (for example, see Patent Document 1).

JP 2004-250157 A

In the conventional elevator door device, since the gap formed between the shielding plate and the vertical frame below the side of the sliding door in the door opening direction is not closed, in the gap due to the pressure difference generated before and after the entrance / exit There was a problem that the generation of wind noise could not be reduced.

This invention was made in order to solve the above-mentioned problem, and closed the gap formed between the vertical frame and the lower airtight material below the side part in the door opening direction of the sliding door, and the atmospheric pressure generated inside and outside the cab An object is to obtain an elevator car that can suppress the generation of wind noise due to the difference.

An elevator car according to the present invention is provided in a car room, a sliding door that opens and closes an entrance of the car room, a sill disposed below the sliding door to guide a lower part of the sliding door, and a lower part of the sliding door. A lower hermetic material that is formed between the sliding door and the sill when the door is closed, and is disposed on a side portion in the opening direction of the sliding door, and is closed when the door is closed. A side airtight material that closes a vertical gap formed between the sliding door and the vertical frame that forms the doorway, and a lower side of the sliding door in the opening direction, and when the doorway is closed, A lower end corner airtight member that closes a gap formed between the vertical frame and the lower airtight material is provided.

According to the present invention, when the doorway is closed, the lower end corner airtight member closes the gap formed between the vertical frame and the lower airtight material below the side portion in the door opening direction of the sliding door. Generation of wind noise due to the generated pressure difference can be reduced.

1 is a perspective view schematically showing an elevator car according to Embodiment 1 of the present invention. It is the front view which looked at the elevator car which concerns on Embodiment 1 of this invention from the hoistway side. FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 2. It is a cross-sectional view which shows the door open state of the elevator car which concerns on Embodiment 1 of this invention. It is a principal part side view which shows the entrance / exit periphery of the elevator car which concerns on Embodiment 1 of this invention. FIG. 6 is a cross-sectional view taken along the line VI-VI in FIG. 2. It is a principal part perspective view explaining the attachment structure of the side part airtight material in the elevator car which concerns on Embodiment 1 of this invention. It is a principal part perspective view explaining the attachment structure of the lower end corner | angular part airtight material in the elevator car which concerns on Embodiment 1 of this invention. It is the front view which looked at the elevator car which concerns on Embodiment 2 of this invention from the hoistway side. It is a principal part side view which shows the entrance / exit periphery of the elevator car which concerns on Embodiment 2 of this invention. FIG. 10 is a cross-sectional view taken along arrow XI-XI in FIG. 9.

Hereinafter, a preferred embodiment of an elevator car doorway device of the present invention will be described with reference to the drawings.

Embodiment 1 FIG.
1 is a perspective view schematically showing an elevator car according to Embodiment 1 of the present invention, FIG. 2 is a front view of the elevator car according to Embodiment 1 of the present invention viewed from the hoistway side, and FIG. FIG. 4 is a cross-sectional view taken along the line III-III in FIG. 2, FIG. 4 is a transverse cross-sectional view showing the elevator car according to Embodiment 1 of the present invention, and FIG. 5 is a cross-sectional view of the elevator according to Embodiment 1 of the present invention. FIG. 6 is a sectional view taken along the line VI-VI in FIG. 2, and FIG. 7 is a side airtight member mounting structure in the elevator car according to Embodiment 1 of the present invention. FIG. 8 is a perspective view of an essential part for explaining a mounting structure of a lower end corner airtight member in the elevator car according to Embodiment 1 of the present invention.

1 and 2, an elevator car 1 includes a car room 2, a sliding door 6 that opens and closes an entrance 3 of the car room 2, and an air pressure control device that controls the air pressure inside the car room 2 as the elevator operates. 9.

The doorway 3 includes a pair of vertical frames 4 and an upper frame 5 installed on the front side of the wall of the cab 2. The sliding door 6 is a door having two central openings. The sliding door 6 is hung on a guide rail (not shown) provided on the upper frame 5 via a door hanger 7 and has a door leg (not shown) provided at the lower part. Is engaged with the groove 8 a of the sill 8. Then, the sliding door 6 is guided to the threshold 8 by an opening / closing mechanism (not shown), moves laterally close to the vertical frame 4 and the upper frame 5, and opens / closes the entrance / exit 3.

At the lower part of the sliding door 6, a lower airtight material 10 is disposed between the sliding door 6 and the sill 8 to close a gap formed in the width direction of the sliding door 6 when the doorway 3 is closed. The lower airtight member 10 is made into a thin plate having a length substantially equal to the width of the sliding door 6 using an elastic material, and the bolt 14 is moved from the hoistway side to the sliding door as shown in FIGS. Fastened to 6 and attached to the lower end of the sliding door 6 so as to protrude downward from the sliding door 6. And the lower airtight material 10 arrange | positions the spacer 13 between the sliding doors 6, and the position is adjusted so that the part which protrudes from the sliding door 6 may contact the inner surface of the groove | channel 8a of the sill 8 on the cage | basket side.

A side airtight member 11 that closes a gap formed in the vertical direction between the sliding door 6 and the vertical frame 4 when the doorway 3 is closed is disposed on the side of the sliding door 6 on the door opening side. Furthermore, a lower end corner airtight member 12 that closes a gap formed between the vertical frame 4 and the lower airtight member 10 when the doorway 3 is closed is disposed below the side portion of the sliding door 6 on the door opening side. Yes.

As shown in FIG. 7, the attachment metal 15 is produced by bending a steel plate into an L shape, and an attachment hole 15 a is formed in one piece of the L shape. The side airtight material 11 is made into a plate shape having a length equivalent to that of the attachment metal 15 using an elastic material, and is fixed to an L-shaped other piece with an adhesive or the like. The metal fitting 15 is brought into contact with the side surface of the sliding door 6 on the door opening side, one piece is pressed against the back surface (the hoistway side) of the sliding door 6, and the bolt 14 is passed from the hoistway side through the mounting hole 15a and fastened to the sliding door 6. Then, it is attached to the side of the sliding door 6 on the door opening side.

As shown in FIGS. 2, 5, and 6, the side airtight member 11 attached in this way is located on the side of the sliding door 6 on the door opening side, over the entire vertical direction of the sliding door 6, and It protrudes from the sliding door 6 to the cab 2 side and is disposed. Therefore, when the doorway 3 is closed, the side airtight member 11 contacts the vertical frame 4 as shown in FIG. 6, and the gap formed in the vertical direction between the sliding door 6 and the vertical frame 4 is closed. . Here, the lower end side of the attachment metal 15 is cut away so that the attachment metal 16 described later is attached to the lower end of the side portion of the sliding door 6 on the door opening side.

As shown in FIG. 8, the attachment metal 16 is produced by bending a steel plate into an L shape, and the steel plate is produced in a substantially rectangular flat plate shape. And a flocking table 18 fixed to the side end surface of the substrate vertically by welding or the like. A mounting hole 17 a is formed in the L-shaped piece of the mounting portion 17. The bottom corner airtight member 12 is a flocked body formed by implanting a plastic wire made of, for example, nylon, polypropylene, polyester or the like into a large number of holes formed on the back surface of the flocking table 18.

As shown in FIGS. 2 and 5, the attachment metal 16 has the other piece of the attachment portion 17 in contact with the lower end side of the side surface on the door opening side of the sliding door 6, and one piece is pressed against the lower end side of the rear surface of the sliding door 6. It arrange | positions in the notch part of the attachment metal 15, passes the bolt 14 from the hoistway side through the attachment hole 17a, fastens to the sliding door 6, and is attached to the lower part of the door opening side of the sliding door 6. The flocking table 18 of the mounting metal 16 attached in this way is arranged so that the surface thereof is in contact with the side airtight material 11 and the lower end surface of the sliding door 6, and the lower end corner airtight material 12 is located below the sliding door 6. The airtight material 11 is disposed so as to reach the door opening side of the lower airtight material 10 from a position directly below the side airtight material 11.

The bottom end corner airtight member 12 attached in this way has a flocking table 18 and a sill 8 in which the wire is vertically planted on the back surface of the flocking table 18 and the protruding length from the flocking table 18 is attached to the lower part of the sliding door 6. It is longer than the gap between. Therefore, as shown in FIGS. 2, 3, and 5, the bottom corner airtight member 12 is elastically deformed and is in contact with the upper surface of the car floor 2 a and the upper surface of the sill 8. And the part by the side of the hoistway of the lower end corner | angular part airtight material 12 is inserted in the groove | channel 8a of the sill 8, and while contacting the inner surface of the cage | basket | car side of the groove | channel 8a, it contacts the side part of the door opening side of the lower airtight material 10. Yes. Further, when the doorway 3 is closed, the door closing side of the lower end corner airtight member 12 is in contact with the vertical frame 4. Therefore, when the doorway 3 is closed, a gap formed between the vertical frame 4 and the lower airtight material 10 is closed below the side of the sliding door 6 on the door opening side. In addition, when the doorway 3 is opened, the door closing side of the lower end corner airtight member 12 is separated from the vertical frame 4 while maintaining a contact state with the lower airtight member 10 as shown in FIG.

Although not shown, an upper airtight member that closes the gap formed in the horizontal direction between the sliding door 6 and the upper frame 5 is provided on the hoistway side of the upper frame 5.

In the first embodiment, when the doorway 3 is closed, the lower airtight member 10 that closes the gap formed in the width direction of the sliding door 6 between the sliding door 6 and the sill 8, and the vertical direction between the sliding door 6 and the vertical frame 4. And a side airtight member 11 that closes the gap formed in the. Therefore, in the gap formed in the width direction of the sliding door 6 between the sliding door 6 and the sill 8 and the gap formed in the vertical direction between the sliding door 6 and the vertical frame 4 due to the pressure difference between the inside and outside of the cab 2. Generation of wind noise can be suppressed.

According to this Embodiment 1, the lower end corner | angular part airtight material 12 which plugs up the clearance gap formed between the vertical frame 4 and the lower airtight material 10 in the downward direction side part of the sliding door 6 is further provided. Therefore, it is possible to suppress the generation of wind noise in the gap formed between the vertical frame 4 and the lower airtight member 10 due to the pressure difference between the inside and outside of the car room 2. In this way, the car entrance / exit device can reliably close the gap formed at the peripheral edge of the sliding door 6, so that the air pressure control device 9 increases the pressure difference between the inside and outside of the car room 2 as the elevator operates. This is particularly effective for suppressing wind noise generation in the car 1 equipped with

Since the lower end corner airtight material 12 that closes the gap formed between the side airtight material 11 and the sill 8 is a flocked body configured by flocking a wire, air is accompanied by a pressure difference between the inside and outside of the cab 2. Then, it is rectified when passing through the flocked body (lower end corner airtight material 12). As a result, the turbulent motion of air is reduced and the generation of wind noise is reduced.

Since the lower end corner portion of the airtight material 12 is a flocking body, the contact area with the car floor 2a and the sill 8 is reduced as compared with the case where an airtight material made of rubber or the like is used. As a result, the frictional force when the lower end corner airtight member 12 slides on the car floor 2a and the sill 8 is reduced, and an increase in running resistance of the sliding door 6 can be suppressed. Smooth and quiet.

The lower end corner airtight member 12 is elastically deformed and formed to a length that presses the car floor 2a and the sill 8. Therefore, even if the loading weight of the cab 2 increases and the sill 8 sinks with the car floor 2a with respect to the sliding door 6, the lower end corner airtight material 12 recovers following the sill 8 sinking, and the sill 8 Is maintained, so that the effect of suppressing the generation of wind noise is maintained.

Since the lower end corner airtight member 12 is attached to the sliding door 6 by using the bolts 14 to fasten and fix the attachment metal 16 to the back surface of the sliding door 6 from the hoistway side, the lower end corner airtight member 12 is replaced from the landing doorway. Thus, the workability of replacing the lower end corner portion of the airtight material 12 due to deterioration over time can be improved.
Since the side airtight material 11 is attached to the sliding door 6 by using the bolts 14 to fasten and fix the attachment metal 15 to the back surface of the sliding door 6 from the hoistway side, the side airtight material 11 can be replaced from the landing doorway. The workability of replacing the side airtight material 11 due to aging is improved.

The material of the lower airtight material 10 and the side airtight material 11 may be any material having elasticity, for example, synthetic rubber such as silicone rubber, fluorine rubber, urethane rubber, acrylic rubber, nitrile rubber, or natural rubber. Can be used.

Moreover, as a material of the lower end corner portion airtight member 12, any material having elasticity may be used, but from the viewpoint of reducing sliding resistance with the sill when the sliding door 6 is opened and closed, it is configured by implanting a wire. It is desirable to use a flocked body.
Moreover, although the lower end corner | angular part airtight material 12 is formed by implanting a wire rod in many holes opened in the back surface of the flocking table 18, it may be formed by electrostatically flocking a wire rod.

Embodiment 2. FIG.
FIG. 9 is a front view of an elevator car according to Embodiment 2 of the present invention as seen from the hoistway side, and FIG. 10 is a side view of the main part showing the vicinity of the entrance / exit of the elevator car according to Embodiment 2 of the present invention. 11 is a cross-sectional view taken along arrow XI-XI in FIG.

9 to 11, the attachment metal 20 is produced by bending a steel plate into an L-shape and producing the attachment portion 21 having the same length as the vertical length of the sliding door 6 and the steel plate in a substantially rectangular flat plate shape. And a flocking table 22 whose surface is fixed to the L-shaped side end face of the mounting portion 21 vertically by welding or the like. A mounting hole (not shown) is formed in the L-shaped piece of the mounting portion 21, and the side airtight member 11 is fixed to the other L-shaped piece of the mounting portion 21 with an adhesive or the like. The lower end corner airtight member 12 is formed by implanting a wire rod into a large number of holes opened on the back surface of the flocking table 22.

The attachment metal 20 is such that the other piece of the attachment portion 21 is in contact with the side surface of the sliding door 6 on the door opening side, one piece is pressed against the back surface (hoistway side) of the sliding door 6, and the bolt 14 is passed through the attachment hole from the hoistway side to the sliding door 6. The sliding door 6 is attached to the side of the door opening side.

The side airtight material 11 is disposed on the side of the sliding door 6 on the door opening side so as to protrude from the sliding door 6 to the cab 2 side over the entire area in the vertical direction of the sliding door 6. Therefore, when the doorway 3 is closed, the side airtight material 11 contacts the vertical frame 4, and the gap formed in the vertical direction between the sliding door 6 and the vertical frame 4 is closed. Further, the lower end of the side airtight material 11 is in contact with the surface of the flocking table 22.

The surface of the flocking table 22 is in contact with the lower end of the side airtight material 11 and the lower end of the sliding door 6. The bottom corner airtight member 12 is elastically deformed and is in contact with the upper surface of the car floor 2 a and the upper surface of the sill 8. And the part by the side of the hoistway of the lower end corner | angular part airtight material 12 is inserted in the groove | channel 8a of the sill 8, and while contacting the inner surface of the cage | basket | car side of the groove | channel 8a, it is contacting the door opening side part of the lower airtight material 10. . Further, when the doorway 3 is closed, the door closing side of the lower end corner airtight member 12 is in contact with the vertical frame 4. Therefore, when the doorway 3 is closed, a gap formed between the vertical frame 4 and the lower airtight member 10 below the side portion in the opening direction of the sliding door 6 is closed.
Other configurations are the same as those in the first embodiment.

Therefore, also in the second embodiment, the same effect as in the first embodiment can be obtained.
According to the second embodiment, the side airtight material 11 and the lower end corner airtight material 12 are attached to the single attachment metal 20. Therefore, the number of parts is reduced, and the cost of the car doorway device can be reduced. Further, since the side airtight material 11 and the lower end corner portion airtight material 12 can be exchanged at once, the workability of exchanging the side portion airtight material 11 and the lower end corner portion airtight material 12 due to aging deterioration is enhanced.

Claims

A cab and
A sliding door that opens and closes the entrance of the cab,
A threshold placed below the sliding door to guide the lower part of the sliding door;
A lower airtight material that is disposed at a lower portion of the sliding door and is formed between the sliding door and the sill when the entrance is closed, and closes a gap in the width direction of the sliding door;
A side airtight member disposed on a side portion in the opening direction of the sliding door and closing a vertical gap formed between the sliding door and a vertical frame constituting the doorway when the doorway is closed. In the elevator car,
It is provided below the side part in the opening direction of the sliding door, and is provided with a lower-end corner airtight member that closes a gap formed between the vertical frame and the lower airtight material when the doorway is closed. Elevator car to do.
The lower end corner airtight material extends from below the side airtight material to reach the side in the opening direction of the lower airtight material, and contacts the side in the opening direction of the sill and the lower airtight material. The elevator car according to claim 1, wherein the elevator car is disposed and contacts the vertical frame when the doorway is closed.
The elevator car according to claim 1 or 2, wherein the lower end corner airtight member is a flocked body configured by flocking a wire.
The elevator car according to claim 3, wherein the flocked body is configured to be elastically deformed and press the sill.
5. The elevator according to claim 1, wherein the lower end corner portion of the airtight material is attached to a mounting metal fastened and fixed to the back surface of the sliding door from the hoistway side. Basket.
The elevator car according to claim 5, wherein the side airtight material is mounted on the mounting bracket.
The elevator car according to any one of claims 1 to 6, further comprising a pressure control device that controls a pressure inside the cab.